Redesign the installer
There's a couple of design quirks that are getting in our way. Let's redesign the installer to look more like the latest mockups
This should also come with a code re-org:
- Give each page a folder, and put associated UI files into each folder instead of the mishmash we have now
- Each page should return the next page in the structure. That way we can have some more dynamic layouts (auto-skip pages that shouldn't show up, etc)
- Just clean up the codebase